public function getPredefinedMetadataAction() { $type = $this->getParam("type"); $subType = $this->getParam("subType"); $list = Metadata\Predefined\Listing::getByTargetType($type, array($subType)); $result = array(); foreach ($list as $item) { /** @var $item Metadata\Predefined */ $item->expand(); $result[] = $item; } $this->_helper->json(array("data" => $result, "success" => true)); }